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Phantom Loads: The Vampires in Our Walls

By Lauren Mangion ecomii.com
January 15, 2009
File under: Green Building Design, Remodeling Green

plug_in.jpg

It stands to reason that most of us would think we actually turn off our appliances, gadgets and electronics when we request that of them. However, this is often not the case.

Phantom loads, energy/power vampires, idle currents, or “wall warts” continue to draw electrical current even in “off” modes. Our cell phone chargers, televisions, computers and all their peripherals, even microwaves or coffee makers with digital clocks are sucking electricity even if they are not plugged in to the device to be charged, or we consider them to be off.

In some cases, the amount of energy drawn is not small. Some plasma screen televisions can draw as much power in a standby mode as they can when being actively used.

It Adds Up

It might not sound like a significant concern at first, but phantom loads can account for 10-20 percent of your annual home energy bill, which could be looked at as a month’s worth of wasted electricity.

Eliminate Wasted Energy

A handy little device to help test which appliances and electronics are the biggest concern is an inexpensive Kill-a-Watt which will monitor the energy drawn when not in use. From there, you can purchase power strips for your bigger electricity users, like home entertainment systems or computers and all their peripheral accompaniments. It is much easier to turn everything off with a power strip than to unplug everything individually.

For those concerned with completely shutting off electronics that take a long time to reset, like satellite boxes, a Smart Power Strip has multiple outlets that can accommodate masters and their peripherals, sensing when the master (eg. computer, television) has turned off, it then cuts off power to the speakers, monitors, DVD, etc. This also gives you the ability to decide which electronic to plug in to which outlet, leaving on stand-by the things you want to remain ready for action.

 
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3  Comments
  1. Loretta White
    January 21, 2009 9am EST

    Great article!

    I actually tried this at the start I took a meter reading and at the end of the moth another and compared the two. Just by turning off the surge protectors on the television, media and computer items, we saved $35.00 that month. In subsequent months the load varied between $25.00 to $45.00 depending on how many days went between the times we actually put the strip back on.

    It messed with the cable box a bit and we learned pretty fast to turn it back on a few minutes before we wanted to watch something.

    It was quite a surprise.

  2. Karen
    May 4, 2009 9am EDT

    Where can I find a Smart Power Strip? Sounds like just what I need

  3. Jim H.
    December 2, 2009 10am EST

    Have used a power strip for years but have the satellite start up dela also. Am thinking of using a timer so the satelliteboxes are off at least 10 hours a day. My wife absolutley HATES the delay re. satellite tuners.

 
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